JPH04273002A - 容量センサ - Google Patents
容量センサInfo
- Publication number
- JPH04273002A JPH04273002A JP3256072A JP25607291A JPH04273002A JP H04273002 A JPH04273002 A JP H04273002A JP 3256072 A JP3256072 A JP 3256072A JP 25607291 A JP25607291 A JP 25607291A JP H04273002 A JPH04273002 A JP H04273002A
- Authority
- JP
- Japan
- Prior art keywords
- capacitive sensor
- electrode
- electrodes
- sensor according
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
- G01D5/2405—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by varying dielectric
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4031210.0 | 1990-10-04 | ||
| DE4031210A DE4031210A1 (de) | 1990-10-04 | 1990-10-04 | Kapazitiver sensor zur messung eines kraftstoffwandfilms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04273002A true JPH04273002A (ja) | 1992-09-29 |
Family
ID=6415457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3256072A Pending JPH04273002A (ja) | 1990-10-04 | 1991-10-03 | 容量センサ |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5175505A (enExample) |
| EP (1) | EP0478958B1 (enExample) |
| JP (1) | JPH04273002A (enExample) |
| DE (2) | DE4031210A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013527465A (ja) * | 2010-06-04 | 2013-06-27 | プラスティック ロジック リミテッド | 層の厚みの測定 |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0544548B1 (en) * | 1991-11-28 | 1998-11-11 | Ngk Spark Plug Co., Ltd | A sparkplug voltage probe device in an internal combustion engine |
| DE4447867B4 (de) * | 1993-11-30 | 2005-09-08 | Honda Giken Kogyo K.K. | Kraftstoffeinspritzmengen-Steuersystem für Verbrennungsmotoren und dabei benutzte Bestimmungseinrichtung für die Ansaugkanal-Wandtemperatur |
| US5532605A (en) * | 1994-10-27 | 1996-07-02 | Agr International, Inc. | Container inspection apparatus having diameter measuring means and associated method |
| GB9519006D0 (en) * | 1995-09-16 | 1995-11-15 | Rolls Royce & Ass | Capacitance probe |
| US5955887A (en) * | 1995-12-22 | 1999-09-21 | The B. F. Goodrich Company | Impedance type ice detector |
| US6194903B1 (en) * | 1996-01-21 | 2001-02-27 | I F M Electronic Gmbh | Circuit for acquisition of the capacitance or capacitance change of a capacitive circuit element or component |
| US5765434A (en) * | 1996-07-18 | 1998-06-16 | Scepter Scientific, Inc. | Capacitive water height gauge and method |
| EP0931244A1 (en) * | 1997-06-12 | 1999-07-28 | Andrew M. Matulek | Capacitive liquid level indicator |
| US6540332B2 (en) | 1997-07-15 | 2003-04-01 | Silverbrook Research Pty Ltd | Motion transmitting structure for a nozzle arrangement of a printhead chip for an inkjet printhead |
| US6389330B1 (en) | 1997-12-18 | 2002-05-14 | Reuter-Stokes, Inc. | Combustion diagnostics method and system |
| US6227046B1 (en) * | 1998-09-21 | 2001-05-08 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | System for measuring capacitance |
| US6504386B1 (en) * | 1999-09-28 | 2003-01-07 | The Ohio State University | Liquid dielectric capacitor for film thickness mapping, measurement methods using same |
| US20040022058A1 (en) * | 2000-10-13 | 2004-02-05 | Flat White Lighting Pty Ltd. | Lighting system |
| EP1677084A1 (fr) * | 2004-12-22 | 2006-07-05 | Roxer Industries S.A. | Capteur de niveau d'un liquide et méthode d'estimation. |
| FR2892509B1 (fr) * | 2005-10-26 | 2007-12-21 | Inergy Automotive Systems Res | Jauge capacitive pour reservoir a carburant |
| WO2007048777A1 (en) * | 2005-10-26 | 2007-05-03 | Inergy Automotive Systems Research (Societe Anonyme) | Capacitive gauge |
| DE112007002378T5 (de) | 2006-10-24 | 2009-09-03 | Bradley Fixtures Corp., Menomonee Falls | Kapazitive Messung für Waschraum-Armaturen |
| CN101349537B (zh) * | 2008-09-13 | 2010-06-16 | 陈立峰 | 金属管筒厚度及内壁粗糙度的检测成像方法及其装置 |
| US8866624B2 (en) * | 2008-12-31 | 2014-10-21 | Kimberly-Clark Worldwide, Inc. | Conductor-less detection system for an absorbent article |
| US8572840B2 (en) * | 2010-09-30 | 2013-11-05 | International Business Machines Corporation | Method of attaching an electronic module power supply |
| US8973612B2 (en) | 2011-06-16 | 2015-03-10 | Masco Corporation Of Indiana | Capacitive sensing electronic faucet including differential measurements |
| US9163972B2 (en) | 2011-06-16 | 2015-10-20 | Delta Faucet Company | Apparatus and method for reducing cross-talk between capacitive sensors |
| WO2016138331A1 (en) | 2015-02-27 | 2016-09-01 | Kimberly-Clark Worldwide, Inc. | Absorbent article leakage assessment system |
| CN108306499A (zh) * | 2017-01-11 | 2018-07-20 | 北京普源精电科技有限公司 | 降低精密仪器噪声干扰的方法及装置 |
| KR102099784B1 (ko) | 2017-04-05 | 2020-04-10 | 킴벌리-클라크 월드와이드, 인크. | 흡수 용품 누출 검출 의복 및 이를 이용한 흡수 용품 누출 검출 방법 |
| US11768302B2 (en) * | 2020-10-26 | 2023-09-26 | The Texas A&M University System | Technologies for multifunction sensor devices and microcontroller-based interface module |
| CN113324467B (zh) * | 2021-05-27 | 2023-03-31 | 贵州电网有限责任公司 | 基于冰介质电容效应的导线等值覆冰厚度监测装置及方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3739265A (en) * | 1970-09-09 | 1973-06-12 | J Skildum | Test instrument and method for isolating and measuring the capacitance due to a particular functional group in a liquid |
| BE757542A (fr) * | 1970-10-15 | 1971-03-16 | Belge Lampes Mat Electr Mble | Tete de mesure capacitive multicouches, |
| FR2136999B1 (enExample) * | 1971-05-11 | 1973-05-11 | Radiotechnique Compelec | |
| US4423371A (en) * | 1981-09-03 | 1983-12-27 | Massachusetts Institute Of Technology | Methods and apparatus for microdielectrometry |
-
1990
- 1990-10-04 DE DE4031210A patent/DE4031210A1/de not_active Ceased
-
1991
- 1991-08-29 DE DE59106985T patent/DE59106985D1/de not_active Expired - Fee Related
- 1991-08-29 EP EP91114510A patent/EP0478958B1/de not_active Expired - Lifetime
- 1991-09-26 US US07/766,444 patent/US5175505A/en not_active Expired - Fee Related
- 1991-10-03 JP JP3256072A patent/JPH04273002A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013527465A (ja) * | 2010-06-04 | 2013-06-27 | プラスティック ロジック リミテッド | 層の厚みの測定 |
Also Published As
| Publication number | Publication date |
|---|---|
| US5175505A (en) | 1992-12-29 |
| EP0478958A2 (de) | 1992-04-08 |
| EP0478958A3 (enExample) | 1994-01-19 |
| DE4031210A1 (de) | 1992-04-09 |
| EP0478958B1 (de) | 1995-11-29 |
| DE59106985D1 (de) | 1996-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH04273002A (ja) | 容量センサ | |
| US6194903B1 (en) | Circuit for acquisition of the capacitance or capacitance change of a capacitive circuit element or component | |
| JP2934672B2 (ja) | 静電容量型検出装置 | |
| US8587329B2 (en) | Circuit arrangement for determination of a measuring capacitance | |
| US4603581A (en) | Sensing apparatus | |
| US7397233B2 (en) | Voltage measuring device | |
| US3805150A (en) | Environment immune high precision capacitive gauging system | |
| CN1030795C (zh) | 利用电容传感器对位移或介电常数进行的动态和非接触测量 | |
| US6700392B2 (en) | Digital measurement circuit and system using a grounded capacitive sensor | |
| US4055726A (en) | Electrical position resolving by zero-crossing delay | |
| IL106829A (en) | Soil moisture sensor | |
| CN1134746C (zh) | 容性的图像测定方法 | |
| WO1995006881A1 (en) | Soil moisture sensor | |
| US4392383A (en) | Distance-frequency transducer | |
| KR910004509Y1 (ko) | 알코올 센서 | |
| JPS63307315A (ja) | ホツトフイルム形空気流量計 | |
| US4950998A (en) | Continuous condition sensing system | |
| JP2003075487A (ja) | インピーダンス検出装置及び静電容量検出装置 | |
| US4789822A (en) | Three-electrode sensor for phase comparison and pulse phase adjusting circuit for use with the sensor | |
| CN85100991B (zh) | 电容式位置传感器 | |
| JP2002157671A (ja) | センシングシステム | |
| US4354219A (en) | Capacitance sensing device | |
| EP0257724A2 (en) | Three-electrode sensor for phase comparison and pulse phase adjusting circuit for use with the sensor | |
| JP3815771B2 (ja) | 静電容量式ギャップセンサ、及びその信号検出方法 | |
| JPH08159705A (ja) | 容量センサにより物体の幾何学的位置、変位又は角度を検出する方法および装置 |